============
UADP Message
============

Common Fields
-------------

The following fields are common to all UADP messages:

* **PublisherId** (number|string) (optional)
* **PublisherIdType** (optional) if absent will be detected from PublisherId
* **DataSetClassId** (guid) (optional)
* **GroupHeader** (optional)

  * **WriterGroupId** (uint16)
  * **GroupVersion** (uint32)
  * **NetworkMessageNumber** (uint16)
  * **SequenceNumber** (uint16)

* **TimeStamp** (datetime)
* **Picoseconds** (uint16)
* **SecurityHeader**

  * **NetworkMessageSignedEnabled**
  * **NetworkMessageEncryptedEnabled**
  * **SecurityFooterEnabled**
  * **ForceKeyResetEnabled**
  * **SecurityTokenID**
  * **MessageNonce**
  * **SecurityFooterSize**

* **DataSetMessages**(array) | **DiscoveryAnouncement**
* **SecurityFooter**
* **Signature**

UADP DataSetMessage
-------------------

* **DataSetWriterId**
* **DataSetMessageSequenceNumber**
* **Timestamp** (datetime)
* **PicoSeconds** (uint16)
* **Status** (uint16)
* **ConfigurationVersionMajorVersion** (uint16)
* **ConfigurationVersionMinorVersion** (uint16)
* **DataSetMessageType** (bit4)
* **FieldEncoding** (bit2)
* **Fields** (array)

  * **Index**
  * **Value**

* **PaggingSize** (number)
* **Padding**

UADP AnnouncementMessage
------------------------

DATASET_METADATA
~~~~~~~~~~~~~~~~

* **DiscoveryAnouncement** (table)
  * **AnnouncementType** uadp.announcementType.DATASET_METADATA
  * **SequenceNumber** (uint16)

  * **DatasetMetadata** (table)

    * **DataSetWriterId**
    * **StatusCode**

    * **Metadata** (table)

      * **Namespaces** (array,string)
      * **StructureDataTypes**
      * **EnumDataTypes**
      * **SimpleDataTypes**
      * **Name** (string)
      * **Description** (LocalizableText)
      * **DataSetClassId** (guid)
      * **ConfigurationVersion** (table)

        * **MajorVersion**
        * **MinorVersion**

      * **Fields** (array of tables)

        * **Name** (string)
        * **Description** (LocalizableText)
        * **FieldFlags**
        * **BuiltInType**
        * **DataType**
        * **ValueRank**
        * **ArrayDimensions**
        * **MaxStringLength**
        * **DataSetFieldId** (guid)
        * **Properties** (array of tables)

            * **Name**
            * **Value**